* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-surface-hover: #334155;
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-border: #334155;
    --radius: 8px;
    --radius-lg: 12px;
}

/* Light Theme */
[data-theme="light"] {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-hover: #f1f5f9;
    --color-text: #0f172a;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
}

/* Ensure proper contrast for specific elements in light mode */
[data-theme="light"] .file-type-badge {
    background-color: var(--color-primary);
    color: white;
}

[data-theme="light"] .model-thumbnail {
    background: linear-gradient(135deg, #e2e8f0 0%, #f8fafc 100%);
}

[data-theme="light"] .hero {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

[data-theme="light"] .alert-error {
    background-color: rgba(239, 68, 68, 0.08);
}

[data-theme="light"] .alert-success {
    background-color: rgba(34, 197, 94, 0.08);
}

[data-theme="light"] .viewer-controls .btn {
    background-color: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .toast {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .model-card::before {
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Header */
.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.main-nav {
    display: flex;
    gap: 1.5rem;
}

.main-nav a {
    color: var(--color-text-muted);
    transition: color 0.2s;
}

.main-nav a:hover {
    color: var(--color-text);
}

.header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-bar {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    color: var(--color-text);
    width: 300px;
}

.search-bar::placeholder {
    color: var(--color-text-muted);
}

.search-bar:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Demo Banner */
.demo-banner {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #1f2937;
    padding: 0.5rem 1rem;
    text-align: center;
    font-size: 0.875rem;
}

.demo-banner-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.demo-banner .demo-icon {
    font-size: 1rem;
}

.demo-banner code {
    background: rgba(0, 0, 0, 0.15);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.8rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-muted);
}

.btn-secondary:hover {
    color: var(--color-text);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
    padding: 4rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

/* Sections */
main {
    flex: 1;
}

.models-section,
.categories-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
}

.view-all {
    color: var(--color-primary);
    font-weight: 500;
}

.view-all:hover {
    text-decoration: underline;
}

/* Models Grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.model-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform 0.2s, border-color 0.2s;
    cursor: pointer;
}

.model-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.model-thumbnail {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-surface-hover) 0%, var(--color-bg) 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.model-thumbnail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: inherit;
}

.file-type-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background-color: var(--color-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.model-info {
    padding: 1rem;
}

.model-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.model-creator {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.category-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: background-color 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.category-card:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
}

.category-name {
    font-weight: 500;
}

.category-card .category-count {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Footer */
.site-footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.footer-brand p {
    width: 100%;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
}

.footer-nav a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-nav a:hover {
    color: var(--color-text);
}

/* Page Container */
.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--color-text-muted);
}

.breadcrumb {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.breadcrumb a {
    color: var(--color-primary);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Upload Form */
.upload-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.upload-dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    background-color: var(--color-surface);
    transition: border-color 0.2s, background-color 0.2s;
}

.upload-dropzone:hover {
    border-color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

.dropzone-icon {
    font-size: 3rem;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 1rem;
}

.dropzone-text {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.dropzone-subtext {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.file-select-btn {
    cursor: pointer;
    display: inline-block;
}

.dropzone-hint {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.file-name-display {
    margin-top: 0.75rem;
    font-weight: 500;
}

.upload-dropzone.dragover {
    border-color: var(--color-primary);
    background-color: rgba(37, 99, 235, 0.1);
}

/* Import Section */
.import-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.import-section h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.import-dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
    margin-top: 1rem;
    color: var(--color-text-muted);
}

.import-dropzone:hover,
.import-dropzone.dragover {
    border-color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

.import-preview-info {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
}

.import-preview-info h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.import-preview-info p {
    margin: 0.25rem 0;
    font-size: 0.875rem;
}

.import-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.import-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.required {
    color: #ef4444;
}

/* Form Elements */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
}

.form-input,
.form-control {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
    width: 100%;
    box-sizing: border-box;
}

.form-input::placeholder,
.form-control::placeholder {
    color: var(--color-text-muted);
}

.form-input:focus,
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea,
textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-help {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* Code textarea for configuration editing */
.code-textarea {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    resize: vertical;
    min-height: 200px;
    white-space: pre;
    overflow-x: auto;
}

/* PHP values display */
.php-values {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.5rem;
    background-color: var(--color-bg);
    padding: 1rem;
    border-radius: var(--radius);
}

.php-value {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.php-value span {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.php-value code {
    background-color: var(--color-surface);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color 0.2s, background-color 0.2s;
}

.checkbox-label:hover {
    background-color: var(--color-surface-hover);
}

.checkbox-label:has(input:checked) {
    border-color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

.checkbox-label input {
    accent-color: var(--color-primary);
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.form-actions .btn {
    padding: 0.75rem 1.5rem;
}

.form-actions button {
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

/* Active Nav Link */
.main-nav a.active {
    color: var(--color-text);
}

/* Admin Layout */
.admin-layout {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 200px);
}

.admin-sidebar {
    width: 240px;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 2rem 0;
    flex-shrink: 0;
}

.admin-sidebar h3 {
    padding: 0 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.admin-nav {
    display: flex;
    flex-direction: column;
}

.admin-nav a {
    padding: 0.75rem 1.5rem;
    color: var(--color-text-muted);
    transition: background-color 0.2s, color 0.2s;
}

.admin-nav a:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
}

.admin-nav a.active {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
    border-left: 3px solid var(--color-primary);
}

/* Collapsible sidebar categories */
.nav-category {
    display: flex;
    flex-direction: column;
}

.nav-category:first-child .nav-section {
    padding-top: 0;
}

.admin-nav .nav-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 1.5rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    opacity: 0.7;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: opacity 0.2s;
}

.admin-nav .nav-section:hover {
    opacity: 1;
}

.admin-nav .nav-section .nav-toggle-icon {
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.admin-nav .nav-section[aria-expanded="false"] .nav-toggle-icon {
    transform: rotate(-90deg);
}

.nav-links {
    display: flex;
    flex-direction: column;
}

.admin-content {
    flex: 1;
    padding: 2rem 3rem;
}

/* Settings Form */
.settings-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.settings-section {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.settings-section h2 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.settings-section h2::after {
    content: '\25B2';
    font-size: 0.75rem;
    color: var(--color-text-muted);
    transition: transform 0.2s ease;
}

.settings-section.collapsed h2 {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.settings-section.collapsed h2::after {
    transform: rotate(180deg);
}

.settings-section-content {
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.settings-section.collapsed .settings-section-content {
    max-height: 0 !important;
    margin: 0;
    padding: 0;
}

.settings-section .form-group {
    margin-bottom: 1rem;
}

.settings-section .form-group:last-child {
    margin-bottom: 0;
}

/* Toggle Switch */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.toggle-label input {
    display: none;
}

.toggle-switch {
    width: 44px;
    height: 24px;
    background-color: var(--color-border);
    border-radius: 12px;
    position: relative;
    transition: background-color 0.2s;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background-color: var(--color-text);
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.2s;
}

.toggle-label input:checked + .toggle-switch {
    background-color: var(--color-primary);
}

.toggle-label input:checked + .toggle-switch::after {
    transform: translateX(20px);
}

/* Tags */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--color-surface-hover);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.tag-remove {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    line-height: 1;
}

.tag-remove:hover {
    color: var(--color-text);
}

/* Input with Button */
.input-with-button {
    display: flex;
    gap: 0.5rem;
}

.input-with-button .form-input {
    flex: 1;
}

/* Button Group */
.button-group {
    display: flex;
    gap: 0.5rem;
}

/* Form Hint */
.form-hint {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-family: monospace;
    background-color: var(--color-bg);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
}

/* Auth Pages */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 300px);
    padding: 2rem;
}

.auth-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header .logo-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1rem;
}

.auth-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--color-text-muted);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-inline input {
    accent-color: var(--color-primary);
}

.form-link {
    font-size: 0.875rem;
    color: var(--color-primary);
}

.form-link:hover {
    text-decoration: underline;
}

.btn-full {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: none;
    cursor: pointer;
}

/* OIDC/SSO Auth */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0.5rem 0;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

.btn-oidc {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid #22c55e;
    color: #22c55e;
}

/* User Name in Header */
.user-name {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* User Dropdown Menu */
.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--color-text);
    font-size: 0.875rem;
    transition: background-color 0.2s, border-color 0.2s;
}

.user-dropdown-toggle:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-text-muted);
}

.dropdown-arrow {
    font-size: 0.75rem;
    opacity: 0.7;
    transition: transform 0.2s;
}

.user-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 180px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
    z-index: 200;
}

.user-dropdown.open .user-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-menu a {
    display: block;
    padding: 0.625rem 1rem;
    color: var(--color-text);
    font-size: 0.875rem;
    transition: background-color 0.15s;
}

.user-dropdown-menu a:hover {
    background-color: var(--color-surface-hover);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 0.25rem 0;
}

/* Admin Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-table tr:hover {
    background-color: var(--color-surface-hover);
}

/* Small Buttons */
.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-danger {
    background-color: #ef4444;
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-warning {
    background-color: #f59e0b;
    color: white;
}

.btn-warning:hover {
    background-color: #d97706;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.stat-card {
    background-color: var(--color-bg);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Text Utilities */
.text-muted {
    color: var(--color-text-muted);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-admin {
    background-color: rgba(37, 99, 235, 0.2);
    color: var(--color-primary);
}

.badge-user {
    background-color: var(--color-surface-hover);
    color: var(--color-text-muted);
}

/* Form Row Grid */
.form-row-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

/* Page Container Wide */
.page-container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Categories Page */
.categories-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.category-card-large {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s, background-color 0.2s;
}

.category-card-large:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.category-card-large .category-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.category-count {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Collections Grid */
.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.collection-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: transform 0.2s, border-color 0.2s, background-color 0.2s;
}

.collection-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

.collection-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.collection-description {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.collection-count {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: background 0.2s;
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: transform 0.2s;
}

.hamburger-icon::before {
    top: -7px;
}

.hamburger-icon::after {
    top: 7px;
}

/* Hamburger animation when menu is open */
.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon {
    background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu overlay */
body.mobile-menu-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
        order: 2;
        margin-left: auto;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100vh;
        background: var(--color-bg-elevated);
        flex-direction: column;
        padding: 4rem 1.5rem 1.5rem;
        gap: 0;
        z-index: 1000;
        transition: right 0.3s ease;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
        overflow-y: auto;
    }

    .main-nav.mobile-open {
        right: 0;
    }

    .main-nav a {
        padding: 0.875rem 0;
        border-bottom: 1px solid var(--color-border);
        font-size: 1rem;
    }

    .main-nav a:last-child {
        border-bottom: none;
    }

    .header-content {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .header-actions {
        order: 3;
        gap: 0.5rem;
    }

    .search-bar {
        order: 4;
        width: 100%;
    }

    .header-actions .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    .user-dropdown-toggle .user-name {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-brand {
        justify-content: center;
    }

    .admin-layout {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding: 1rem 0;
    }

    .admin-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 0 1rem;
    }

    .admin-nav a {
        white-space: nowrap;
    }

    .admin-nav a.active {
        border-left: none;
        border-bottom: 3px solid var(--color-primary);
    }

    .admin-content {
        padding: 1.5rem;
    }
}

/* Stats Page */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
}

.stat-card-large {
    grid-column: span 1;
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.stats-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.stats-section {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.stats-section h2 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.stats-table-container {
    overflow-x: auto;
}

.stats-table {
    width: 100%;
    border-collapse: collapse;
}

.stats-table th,
.stats-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.stats-table th {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.875rem;
}

.stats-table tr:last-child td {
    border-bottom: none;
}

.stats-table tr:hover {
    background-color: var(--color-surface-hover);
}

/* Stats Section Variants */
.stats-section-full {
    grid-column: 1 / -1;
}

.stats-section-success {
    border-color: #22c55e;
}

.stats-section-warning {
    border-color: #f59e0b;
}

.stats-section-danger {
    border-color: #ef4444;
}

.stats-section-conversion {
    border-color: #22c55e;
}

/* Conversion Stats Grid */
.conversion-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.conversion-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 1rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
    text-align: center;
}

.conversion-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.conversion-stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.conversion-stat-highlight {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid #22c55e;
}

.conversion-stat-highlight .conversion-stat-value {
    color: #22c55e;
}

.conversion-detail {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.section-description {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* Deduplication Stats */
.stats-section-dedup {
    border: 1px solid var(--color-border);
}

.dedup-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.dedup-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 1rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
    text-align: center;
}

.dedup-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.dedup-stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dedup-stat-highlight {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid #22c55e;
}

.dedup-stat-highlight .dedup-stat-value {
    color: #22c55e;
}

.dedup-stat-warning {
    background-color: rgba(234, 179, 8, 0.1);
    border: 1px solid #eab308;
}

.dedup-stat-warning .dedup-stat-value {
    color: #eab308;
}

.dedup-stat-info {
    background-color: rgba(59, 130, 246, 0.1);
    border: 1px solid #3b82f6;
}

.dedup-stat-info .dedup-stat-value {
    color: #3b82f6;
}

.dedup-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* Health Grid */
.health-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.health-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
}

.health-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.health-value {
    font-size: 0.875rem;
    font-weight: 500;
}

.health-warning .health-value {
    color: #f59e0b;
}

.health-danger .health-value {
    color: #ef4444;
}

/* Health Bar */
.health-bar {
    height: 8px;
    background-color: var(--color-surface);
    border-radius: 4px;
    overflow: hidden;
    margin: 0.25rem 0;
}

.health-bar-fill {
    height: 100%;
    background-color: #22c55e;
    border-radius: 4px;
    transition: width 0.3s;
}

.health-bar-warning {
    background-color: #f59e0b;
}

.health-bar-danger {
    background-color: #ef4444;
}

/* Timeline Grid */
.timeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
    border-left: 3px solid var(--color-primary);
}

.timeline-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-value {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timeline-date {
    font-size: 0.875rem;
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-card-large {
        grid-column: span 1;
    }

    .stats-sections {
        grid-template-columns: 1fr;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .health-grid {
        grid-template-columns: 1fr 1fr;
    }

    .timeline-grid {
        grid-template-columns: 1fr;
    }
}

/* Part Count Badge */
.part-count-badge {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background-color: var(--color-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 10;
}

/* 3D Viewer Thumbnail */
.model-thumbnail .thumbnail-viewer,
.model-detail-thumbnail .thumbnail-viewer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    overflow: hidden;
}

.model-thumbnail .thumbnail-viewer canvas,
.model-detail-thumbnail .thumbnail-viewer canvas {
    border-radius: inherit;
}

/* Detail Page 3D Viewer */
.model-detail-viewer {
    width: 100%;
    height: 400px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.viewer-controls {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.viewer-controls .btn {
    background-color: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(4px);
}

.viewer-controls .btn:hover {
    background-color: var(--color-surface);
}

.viewer-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Hide file type badge when 3D viewer is present */
.model-thumbnail.has-viewer .file-type-badge,
.model-detail-thumbnail.has-viewer .file-type-badge {
    display: none;
}

/* Delete Confirmation Page */
.delete-confirm {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.delete-confirm h1 {
    margin-bottom: 1.5rem;
}

.delete-model-info {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.delete-model-info h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.delete-form .form-actions {
    justify-content: center;
    border-top: none;
    padding-top: 0;
}

/* Model Actions */
.model-actions {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

/* Model Detail Page */
.model-detail {
    max-width: 1200px;
    margin: 0 auto;
}

.model-detail-header {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.model-detail-thumbnail {
    position: relative;
    width: 400px;
    height: 400px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-type-badge-large {
    font-size: 2rem;
    padding: 1rem 1.5rem;
}

.model-detail-info {
    flex: 1;
}

.model-detail-info h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.model-detail-info .model-creator {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.model-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.meta-item {
    color: var(--color-text-muted);
}

.meta-item strong {
    color: var(--color-text);
}

.model-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.category-tag {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

.category-tag:hover {
    border-color: var(--color-primary);
}

.model-source a {
    color: var(--color-primary);
}

.model-source a:hover {
    text-decoration: underline;
}

/* External Links */
.model-links {
    margin-top: 0.75rem;
}

.model-links h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.model-links-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 0.5rem;
}

.model-link-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0;
}

.model-link-type {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    background: var(--color-border);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.model-link-type.type-documentation { background: #dbeafe; color: #1e40af; }
.model-link-type.type-video { background: #fce7f3; color: #9d174d; }
.model-link-type.type-forum { background: #e0e7ff; color: #3730a3; }
.model-link-type.type-repository { background: #d1fae5; color: #065f46; }
.model-link-type.type-source { background: #fef3c7; color: #92400e; }
.model-link-type.type-store { background: #ede9fe; color: #5b21b6; }

.model-link-title {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.model-link-title:hover {
    text-decoration: underline;
}

.model-link-delete {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0 0.25rem;
    margin-left: auto;
    opacity: 0;
    transition: opacity 0.15s;
}

.model-link-item:hover .model-link-delete {
    opacity: 1;
}

.model-link-delete:hover {
    color: var(--color-danger);
}

.model-links-empty {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-style: italic;
}

.model-link-add-form {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.link-form-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.link-form-row .form-input {
    font-size: 0.875rem;
    padding: 0.375rem 0.5rem;
}

.link-form-row .form-input:first-child {
    flex: 1;
}

.link-form-row .form-input:nth-child(2) {
    flex: 2;
}

.link-form-row select.form-input {
    flex: 0 0 auto;
    width: auto;
}

.link-form-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

@media (max-width: 768px) {
    .link-form-row {
        flex-direction: column;
    }
}

.model-description {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.model-description h2 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

/* Markdown Content */
.markdown-content h2 { font-size: 1.25rem; margin: 1.25rem 0 0.5rem; }
.markdown-content h3 { font-size: 1.125rem; margin: 1rem 0 0.5rem; }
.markdown-content h4 { font-size: 1rem; margin: 1rem 0 0.5rem; }
.markdown-content h5, .markdown-content h6 { font-size: 0.875rem; margin: 0.75rem 0 0.5rem; }

.markdown-content p {
    margin: 0 0 0.75rem;
    line-height: 1.6;
}

.markdown-content p:last-child {
    margin-bottom: 0;
}

.markdown-content strong { font-weight: 600; }
.markdown-content em { font-style: italic; }
.markdown-content del { text-decoration: line-through; opacity: 0.7; }

.markdown-content a {
    color: var(--color-primary);
    text-decoration: none;
}

.markdown-content a:hover {
    text-decoration: underline;
}

.markdown-content code {
    background: var(--color-bg);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
    font-size: 0.875em;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.markdown-content pre {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin: 0.75rem 0;
    overflow-x: auto;
}

.markdown-content pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    line-height: 1.5;
}

.markdown-content ul, .markdown-content ol {
    margin: 0.5rem 0 0.75rem;
    padding-left: 1.5rem;
}

.markdown-content li {
    margin-bottom: 0.25rem;
    line-height: 1.5;
}

.markdown-content blockquote {
    border-left: 3px solid var(--color-primary);
    margin: 0.75rem 0;
    padding: 0.5rem 1rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.markdown-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1rem 0;
}

.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 0.5rem 0;
}

/* Compact Version History */
.model-version-history {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.model-version-history .parts-header {
    margin-bottom: 1rem;
}

.version-timeline-compact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.version-entry {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
}

.version-entry.version-current {
    border-color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
}

.version-entry-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.version-entry-number {
    font-weight: 600;
    font-size: 0.875rem;
}

.version-badge-current {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius);
    background: var(--color-primary);
    color: white;
}

.version-entry-meta {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    margin-left: auto;
}

.version-entry-changelog {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding-left: 0.25rem;
}

.version-entry-more {
    text-align: center;
    padding: 0.5rem;
    font-size: 0.85rem;
}

.model-download {
    text-align: center;
    padding: 2rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Model Parts */
.model-parts {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    overflow: visible;
}

.model-parts h2 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.parts-group {
    margin-bottom: 1.5rem;
}

.parts-group:last-child {
    margin-bottom: 0;
}

.parts-group-header {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    padding: 0.5rem 0.75rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.parts-group-header:hover {
    background-color: var(--color-bg-hover, var(--color-bg));
}

.parts-group-header .folder-toggle {
    transition: transform 0.2s;
    display: inline-block;
    font-size: 0.65rem;
    line-height: 1;
}

.parts-group.collapsed .folder-toggle {
    transform: rotate(-90deg);
}

.parts-group-header .folder-part-count {
    font-weight: normal;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.parts-group .parts-list {
    transition: max-height 0.3s ease, opacity 0.2s ease;
    max-height: 5000px;
    opacity: 1;
    overflow: visible;
}

.parts-group.collapsed .parts-list {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    margin: 0;
}

.folder-actions {
    margin-left: auto;
    display: flex;
    gap: 0.25rem;
}

.folder-actions button {
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-muted);
    cursor: pointer;
}

.folder-actions button:hover {
    background-color: var(--color-bg-hover, var(--color-bg));
    color: var(--color-text);
}

.folder-picker {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.folder-picker-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
}

.folder-picker-option:hover {
    background-color: var(--color-bg-hover, var(--color-bg));
}

.folder-picker-option input[type="radio"] {
    margin: 0;
}

.parts-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
}

.part-item {
    display: flex;
    align-items: center;
    position: relative;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

/* Drag and drop reordering */
.drag-handle {
    cursor: grab;
    opacity: 0.4;
    font-size: 1rem;
    color: var(--color-text-muted);
    letter-spacing: -3px;
    user-select: none;
    padding: 0.25rem;
    transition: opacity 0.15s ease;
}

.drag-handle:hover {
    opacity: 1;
}

.drag-handle:active {
    cursor: grabbing;
}

.part-item-ghost {
    opacity: 0.4;
    border: 2px dashed var(--color-primary);
    background-color: var(--color-bg-elevated);
}

.part-item-chosen {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: scale(1.02);
}

.part-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.part-name {
    font-weight: 500;
    font-size: 0.875rem;
}

.part-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.part-size {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.parts-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

/* Batch Rename Modal */
.rename-preview {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: var(--color-bg-elevated);
    border-radius: var(--radius);
    font-size: 0.875rem;
}

.rename-preview ul {
    margin: 0.5rem 0 0;
    padding-left: 1.25rem;
    list-style: disc;
}

.rename-preview li {
    margin: 0.25rem 0;
}

.rename-preview .old-name {
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.rename-preview .new-name {
    color: var(--color-primary);
    font-weight: 500;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Print Type Badges */
.print-type-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-left: 0.5rem;
}

.print-type-fdm {
    background-color: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid #22c55e;
}

.print-type-sla {
    background-color: rgba(168, 85, 247, 0.2);
    color: #a855f7;
    border: 1px solid #a855f7;
}

/* Print Type Select */
.print-type-select {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    cursor: pointer;
}

.print-type-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Conversion Savings Badge */
.conversion-savings {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.625rem;
    font-weight: 700;
    background-color: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid #22c55e;
}

.convert-btn {
    white-space: nowrap;
}

/* Model Card Print Type Indicators */
.print-type-indicators {
    position: absolute;
    bottom: 0.5rem;
    left: 0.5rem;
    display: flex;
    gap: 0.25rem;
    z-index: 10;
}

.print-type-indicators .print-type-badge {
    margin-left: 0;
}

/* Groups Admin */
.badge-system {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--color-primary);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-left: 0.5rem;
}

.permission-badge {
    display: inline-block;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius);
    font-size: 0.625rem;
    margin: 0.125rem;
}

.members-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.member-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.add-member-form .form-row {
    display: flex;
    gap: 0.5rem;
}

.add-member-form .form-input {
    flex: 1;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
}

.admin-section {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.admin-section h2 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.admin-section h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.admin-table-container {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.admin-form .form-group {
    margin-bottom: 1rem;
}

.admin-form .form-actions {
    margin-top: 1.5rem;
}

/* User Groups Display */
.user-groups {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.group-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.625rem;
    font-weight: 600;
}

@media (max-width: 1024px) {
    .model-detail-thumbnail {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .model-detail-header {
        flex-direction: column;
    }

    .model-detail-thumbnail {
        width: 100%;
        height: 200px;
    }

    .model-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .part-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .part-actions {
        width: 100%;
        justify-content: space-between;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
}

.modal-content {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
}

.modal-large {
    max-width: 800px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: 1.5rem;
}

/* Part Preview Trigger */
.part-preview-trigger {
    cursor: pointer;
    transition: color 0.2s;
}

.part-preview-trigger:hover {
    color: var(--color-primary);
}

.part-preview-trigger:hover .part-name {
    text-decoration: underline;
}

/* Mass Actions */
.parts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.parts-header h2 {
    margin: 0;
}

.mass-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
}

.mass-selection-count {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 500;
}

.form-input-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.part-checkbox {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    flex-shrink: 0;
}

/* Themed Checkboxes */
input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 3px;
    background-color: var(--color-surface);
    cursor: pointer;
    transition: all 0.15s ease;
    position: relative;
    flex-shrink: 0;
}

input[type="checkbox"]:hover {
    border-color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

input[type="checkbox"]:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

input[type="checkbox"]:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-primary);
}

input[type="checkbox"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =====================
   Animations & Transitions
   ===================== */

/* Scroll fade-in animation */
.animate-target {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    transition-delay: var(--animation-delay, 0ms);
}

.animate-target.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Model thumbnail loading state */
.model-thumbnail.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.model-thumbnail.loaded {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0.7; }
    to { opacity: 1; }
}

.model-thumbnail.load-error::after {
    content: '!';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: var(--color-text-muted);
}

/* Card hover glow effect */
.model-card {
    position: relative;
    overflow: hidden;
}

.model-card::before {
    content: '';
    position: absolute;
    top: var(--mouse-y, 50%);
    left: var(--mouse-x, 50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 0;
}

.model-card:hover::before {
    opacity: 1;
}

.model-card > * {
    position: relative;
    z-index: 1;
}

/* =====================
   Search Results Dropdown
   ===================== */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-top: 0.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
    z-index: 200;
    max-height: 400px;
    overflow-y: auto;
}

.search-results.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-result-item {
    display: block;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.15s;
}

.search-result-item:last-of-type {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: var(--color-surface-hover);
}

.search-result-name {
    display: block;
    font-weight: 500;
}

.search-result-name mark {
    background-color: rgba(37, 99, 235, 0.3);
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
}

.search-result-creator {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.search-view-all {
    display: block;
    padding: 0.75rem 1rem;
    text-align: center;
    background-color: var(--color-bg);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.15s;
}

.search-view-all:hover {
    background-color: var(--color-surface-hover);
}

.search-no-results {
    padding: 1rem;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* =====================
   Toast Notifications
   ===================== */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 1000;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: auto;
    max-width: 400px;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid #22c55e;
}

.toast-error {
    border-left: 4px solid #ef4444;
}

.toast-info {
    border-left: 4px solid var(--color-primary);
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.15s;
}

.toast-close:hover {
    color: var(--color-text);
}

/* =====================
   Improved Active Navigation
   ===================== */
.main-nav a.active {
    color: var(--color-text);
    position: relative;
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
}

/* =====================
   Button ripple effect
   ===================== */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s, opacity 0.4s;
    opacity: 0;
}

.btn:active::after {
    width: 200px;
    height: 200px;
    opacity: 1;
    transition: 0s;
}

/* Responsive adjustments for toasts */
@media (max-width: 640px) {
    .toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }

    .toast {
        max-width: none;
    }
}

/* Code blocks */
.code-block {
    display: block;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.8125rem;
    color: var(--color-text);
    overflow-x: auto;
    margin-top: 0.5rem;
    white-space: nowrap;
}

/* Form value display */
.form-value {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Inline form for user groups */
.inline-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.group-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.checkbox-small {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: border-color 0.15s, background-color 0.15s;
}

.checkbox-small:hover {
    border-color: var(--color-primary);
}

.checkbox-small input[type="checkbox"] {
    width: 0.875rem;
    height: 0.875rem;
}

.checkbox-small input[type="checkbox"]:checked + span {
    color: var(--color-primary);
}

.checkbox-small input[type="checkbox"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.checkbox-small input[type="checkbox"]:disabled + span {
    opacity: 0.5;
}

/* Dropdown Menus */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.dropdown-arrow {
    font-size: 0.7em;
    transition: transform 0.15s;
}

.dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    min-width: 180px;
    margin-top: 0.25rem;
    padding: 0.5rem 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-text);
    font-size: 0.875rem;
    white-space: nowrap;
    transition: background-color 0.15s;
}

.dropdown-item:hover {
    background-color: var(--color-surface-hover);
}

.dropdown-item.active {
    background-color: var(--color-primary);
    color: white;
}

/* Right-aligned dropdown menu */
.dropdown-menu-right {
    right: 0;
    left: auto;
}

/* Part actions dropdown - uses fixed positioning to avoid clipping */
.part-actions-dropdown {
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

.part-actions-dropdown .dropdown-menu,
.slicer-dropdown .dropdown-menu {
    min-width: 200px;
    z-index: 9999;
    position: fixed;
    top: auto;
    bottom: auto;
    left: auto;
    right: auto;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
}

.part-actions-dropdown.open .dropdown-menu,
.slicer-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
}

.dropdown-item-inline label {
    margin: 0;
    cursor: pointer;
}

.dropdown-item-inline select {
    padding: 0.15rem 0.3rem;
    font-size: 0.8rem;
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.dropdown-item-danger {
    color: var(--color-danger, #ef4444);
}

.dropdown-item-danger:hover {
    background-color: var(--color-danger, #ef4444);
    color: white;
}

.part-dimensions {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-left: 0.5rem;
}

/* Open In Slicer Dropdown */
.open-in-dropdown {
    flex-shrink: 0;
}

.open-in-dropdown .dropdown-menu {
    right: 0;
    left: auto;
}

.open-in-dropdown-large .dropdown-menu {
    min-width: 200px;
}

.slicer-download-hint {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-left: 0.35rem;
}

.slicer-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Part actions adjustments for dropdown */
.part-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.part-actions .dropdown {
    order: -1;
}

/* Model download section */
.model-download {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* Slicer Grid (Admin Settings) */
.slicer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.slicer-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s;
}

.slicer-option:hover {
    border-color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

.slicer-option input[type="checkbox"]:checked + span {
    color: var(--color-primary);
}

.slicer-protocol-badge {
    margin-left: auto;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.15rem 0.35rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: 3px;
}

/* =====================
   Tags
   ===================== */
.model-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.model-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--tag-color, #6366f1);
    color: white;
    transition: opacity 0.15s;
}

.model-tag:hover {
    opacity: 0.9;
}

.model-tag-remove {
    background: none;
    border: none;
    color: white;
    opacity: 0.7;
    cursor: pointer;
    padding: 0;
    margin-left: 0.25rem;
    font-size: 1rem;
    line-height: 1;
}

.model-tag-remove:hover {
    opacity: 1;
}

.tag-input-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.tag-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-top: 0.25rem;
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.tag-suggestion {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: background-color 0.15s;
}

.tag-suggestion:hover {
    background-color: var(--color-surface-hover);
}

.tag-color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

/* =====================
   Favorites
   ===================== */
.favorite-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    transition: color 0.15s, transform 0.15s;
}

.favorite-btn:hover {
    color: #ef4444;
    transform: scale(1.1);
}

.favorite-btn.favorited {
    color: #ef4444;
}

.favorite-btn.favorited:hover {
    color: #dc2626;
}

.favorite-count {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-left: 0.25rem;
}

/* Print Queue Button */
.queue-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    transition: color 0.2s, transform 0.2s;
}

.queue-btn:hover {
    color: #3b82f6;
    transform: scale(1.1);
}

.queue-btn.in-queue {
    color: #3b82f6;
}

.queue-btn.in-queue:hover {
    color: #2563eb;
}

/* Print Queue Page */
.queue-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.queue-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.queue-checkbox {
    flex-shrink: 0;
}

.queue-priority {
    flex-shrink: 0;
}

.priority-select {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.875rem;
}

.queue-thumbnail {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    background: var(--color-surface-elevated);
}

.queue-info {
    flex: 1;
    min-width: 0;
}

.queue-title {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
    text-decoration: none;
}

.queue-title:hover {
    color: var(--color-primary);
}

.queue-category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-surface-elevated);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    margin-right: 0.5rem;
}

.queue-date {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.queue-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

/* =====================
   Batch Selection Mode
   ===================== */
.batch-mode-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text);
}

.batch-mode-toggle:hover {
    background: var(--color-surface-elevated);
}

.batch-actions-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.batch-actions-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.batch-select-all {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.batch-actions-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.model-select-checkbox {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    z-index: 10;
    display: none;
}

.model-select-checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.model-list-checkbox {
    flex-shrink: 0;
    display: none;
    padding-right: 0.5rem;
}

.model-list-checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

body.batch-mode .model-card,
body.batch-mode .model-list-item {
    cursor: pointer;
}

body.batch-mode .model-card:hover,
body.batch-mode .model-list-item:hover {
    border-color: var(--color-primary);
}

/* =====================
   Admin Tables
   ===================== */
.admin-table-container {
    overflow-x: auto;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    background: var(--color-surface-elevated);
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

.admin-table tbody tr:hover {
    background: var(--color-surface-elevated);
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

.admin-table a {
    color: var(--color-primary);
    text-decoration: none;
}

.admin-table a:hover {
    text-decoration: underline;
}

/* =====================
   Keyboard Shortcuts Help
   ===================== */
.keyboard-shortcuts-help {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 1000;
}

.keyboard-shortcuts-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.keyboard-shortcuts-btn:hover {
    background: var(--color-surface-elevated);
    color: var(--color-text);
}

.keyboard-shortcuts-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.keyboard-shortcuts-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    max-width: 400px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.keyboard-shortcuts-content h3 {
    margin: 0 0 1rem;
    font-size: 1.125rem;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.shortcut-item:last-child {
    border-bottom: none;
}

.shortcut-key {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.25rem 0.5rem;
    font-family: monospace;
    font-size: 0.875rem;
}

/* Keyboard navigation selection */
.model-card.keyboard-selected,
.model-list-item.keyboard-selected,
.queue-item.keyboard-selected {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Progress Bar */
.progress-bar {
    height: 8px;
    background: var(--color-surface-elevated);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Stat card success variant */
.stat-card-success {
    border-color: var(--color-success);
}

.stat-card-success .stat-value {
    color: var(--color-success);
}

/* =====================
   GCODE Metadata Display
   ===================== */
.gcode-metadata {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.gcode-metadata h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gcode-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
}

.gcode-stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.gcode-stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.gcode-stat-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

/* GCODE toolpath colors legend */
.gcode-legend {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.75rem;
}

.gcode-legend-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.gcode-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.gcode-legend-color.print {
    background: linear-gradient(to right, #3b82f6, #ef4444);
}

.gcode-legend-color.travel {
    background: #444444;
    opacity: 0.5;
}

/* Model card favorite indicator */
.model-card-favorite {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 10;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    padding: 0.25rem;
}

/* =====================
   View Toggle (Grid/List)
   ===================== */
.view-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.view-toggle {
    display: flex;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.view-toggle-btn {
    background: none;
    border: none;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: background-color 0.15s, color 0.15s;
}

.view-toggle-btn:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
}

.view-toggle-btn.active {
    background-color: var(--color-primary);
    color: white;
}

/* List View */
.models-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.model-list-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: border-color 0.2s;
}

.model-list-item:hover {
    border-color: var(--color-primary);
}

.model-list-thumbnail {
    width: 120px;
    height: 90px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-surface-hover) 0%, var(--color-bg) 100%);
    border-radius: var(--radius);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.model-list-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.model-list-title {
    font-weight: 600;
    font-size: 1rem;
}

.model-list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.model-list-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* =====================
   Sort Controls
   ===================== */
.sort-select {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    color: var(--color-text);
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
}

.sort-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* =====================
   Browse Controls Bar
   ===================== */
.browse-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.browse-filters {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.active-filter {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius);
    font-size: 0.75rem;
}

.active-filter-remove {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    line-height: 1;
    opacity: 0.7;
}

.active-filter-remove:hover {
    opacity: 1;
}

/* =====================
   Pagination
   ===================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.75rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.875rem;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s;
}

.pagination-btn:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
}

.pagination-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-ellipsis {
    color: var(--color-text-muted);
    padding: 0 0.5rem;
}

/* =====================
   Theme Toggle
   ===================== */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-text-muted);
    font-size: 1.25rem;
    transition: color 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    color: var(--color-text);
}

/* =====================
   Download Count & Stats Display
   ===================== */
.download-count {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.download-count-icon {
    font-size: 1rem;
}

/* =====================
   License Badge
   ===================== */
.license-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background-color: var(--color-surface-hover);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* =====================
   Archive Badge
   ===================== */
.archived-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background-color: rgba(245, 158, 11, 0.2);
    border: 1px solid #f59e0b;
    color: #f59e0b;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
}

.model-card.archived {
    opacity: 0.6;
}

.model-card.archived:hover {
    opacity: 1;
}

/* =====================
   Printed Status
   ===================== */
.printed-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background-color: rgba(34, 197, 94, 0.2);
    border: 1px solid #22c55e;
    color: #22c55e;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
}

.printed-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.printed-checkbox input:checked + span {
    color: #22c55e;
}

/* =====================
   Notes Field
   ===================== */
.part-notes {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: 0.25rem;
}

.notes-input {
    width: 100%;
    min-height: 60px;
    resize: vertical;
}

/* =====================
   Recently Viewed Section
   ===================== */
.recently-viewed-section {
    margin-bottom: 2rem;
}

.recently-viewed-grid {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.recently-viewed-card {
    flex: 0 0 auto;
    width: 160px;
}

.recently-viewed-card .model-thumbnail {
    height: 100px;
}

.recently-viewed-card .model-title {
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* =====================
   Activity Log
   ===================== */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.75rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
}

.activity-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface);
    border-radius: 50%;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-text {
    font-size: 0.875rem;
}

.activity-text strong {
    color: var(--color-text);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* Activity icons by action type */
.activity-icon.upload { background-color: rgba(34, 197, 94, 0.2); color: #22c55e; }
.activity-icon.download { background-color: rgba(37, 99, 235, 0.2); color: #2563eb; }
.activity-icon.delete { background-color: rgba(239, 68, 68, 0.2); color: #ef4444; }
.activity-icon.edit { background-color: rgba(245, 158, 11, 0.2); color: #f59e0b; }
.activity-icon.login { background-color: rgba(168, 85, 247, 0.2); color: #a855f7; }

/* =====================
   Lazy Loading Placeholder
   ===================== */
.lazy-load-placeholder {
    background: linear-gradient(90deg, var(--color-surface) 25%, var(--color-surface-hover) 50%, var(--color-surface) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* =====================
   Duplicate Warning
   ===================== */
.duplicate-warning {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid #f59e0b;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
}

.duplicate-warning-icon {
    font-size: 1.5rem;
    color: #f59e0b;
}

.duplicate-warning-content h4 {
    color: #f59e0b;
    margin-bottom: 0.25rem;
}

.duplicate-warning-content p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.duplicate-list {
    margin-top: 0.5rem;
}

.duplicate-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background-color: var(--color-surface);
    border-radius: var(--radius);
    margin-top: 0.5rem;
}

/* =====================
   Responsive Adjustments
   ===================== */
@media (max-width: 768px) {
    .browse-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .view-controls {
        justify-content: space-between;
    }

    .model-list-item {
        flex-direction: column;
    }

    .model-list-thumbnail {
        width: 100%;
        height: 120px;
    }
}

/* =====================
   Share Modal Styles
   ===================== */
.share-create-section,
.share-links-section {
    margin-bottom: 1.5rem;
}

.share-create-section h4,
.share-links-section h4 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    font-weight: 600;
}

.share-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.share-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 500px) {
    .share-form-row {
        grid-template-columns: 1fr;
    }
}

.share-links-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.share-link-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.share-link-item.expired {
    opacity: 0.5;
}

.share-link-info {
    flex: 1;
    min-width: 0;
}

.share-link-url {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.share-url-input {
    flex: 1;
    min-width: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.5rem 0.75rem;
    color: var(--color-text);
    font-size: 0.875rem;
    cursor: text;
}

.share-url-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.share-link-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.share-meta-item {
    display: inline-block;
}

.share-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius);
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
}

@media (max-width: 600px) {
    .share-link-item {
        flex-direction: column;
    }

    .share-link-url {
        flex-wrap: wrap;
    }

    .share-url-input {
        width: 100%;
    }
}

/* =====================
   Floating Batch Actions Bar
   ===================== */
.floating-batch-bar {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 100;
    max-width: calc(100vw - 2rem);
    flex-wrap: wrap;
    justify-content: center;
}

.batch-actions-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.batch-actions-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.batch-select-all {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    white-space: nowrap;
}

.batch-select {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.375rem 0.5rem;
    color: var(--color-text);
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 100px;
}

.batch-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
}

.btn-ghost:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.btn-warning {
    background-color: #f59e0b;
    color: white;
}

.btn-warning:hover {
    background-color: #d97706;
}

@media (max-width: 768px) {
    .floating-batch-bar {
        bottom: 1rem;
        left: 1rem;
        right: 1rem;
        transform: none;
        flex-direction: column;
        padding: 1rem;
    }

    .batch-actions-left,
    .batch-actions-right {
        width: 100%;
        justify-content: center;
    }
}

/* =====================
   Cost Estimation Card
   ===================== */
.cost-estimate-card {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.cost-estimate-card h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cost-estimate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
}

.cost-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.cost-item-main {
    grid-column: 1 / -1;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
}

.cost-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.cost-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

.cost-value-main {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.cost-estimate-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
}

/* =====================
   Mobile-Optimized Upload
   ===================== */

/* Upload buttons row */
.upload-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Mobile-only elements (hidden on desktop) */
.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .mobile-only {
        display: inline-flex;
    }
}

/* Upload progress styles */
.upload-progress {
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--color-surface);
    border-radius: var(--radius);
}

.upload-progress .progress-bar {
    height: 12px;
    background: var(--color-bg);
    border-radius: 6px;
    overflow: hidden;
}

.upload-progress .progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), #22c55e);
    border-radius: 6px;
    transition: width 0.2s ease;
}

.progress-text {
    margin: 0.75rem 0 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* Advanced options collapsible */
.advanced-options {
    margin: 1.5rem 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.advanced-toggle {
    padding: 1rem 1.25rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    user-select: none;
}

.advanced-toggle::-webkit-details-marker {
    display: none;
}

.advanced-toggle::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 6px solid var(--color-text-muted);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    transition: transform 0.2s;
}

.advanced-options[open] .advanced-toggle::before {
    transform: rotate(90deg);
}

.advanced-content {
    padding: 0 1.25rem 1.25rem;
    border-top: 1px solid var(--color-border);
}

/* Mobile upload form optimizations */
@media (max-width: 768px) {
    .upload-dropzone {
        padding: 2rem 1rem;
    }

    .dropzone-icon {
        font-size: 2.5rem;
    }

    .dropzone-text {
        font-size: 1rem;
    }

    .form-input,
    .form-textarea {
        font-size: 16px; /* Prevents iOS zoom on focus */
        min-height: 44px; /* Touch-friendly */
    }

    .btn {
        min-height: 44px;
        padding: 0.75rem 1.25rem;
        font-size: 1rem;
    }

    .file-select-btn {
        padding: 0.75rem 1.5rem;
    }

    .checkbox-label {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }

    .form-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* Desktop: Always show advanced options expanded */
    .advanced-options {
        border: none;
        background: transparent;
    }
}

/* Desktop: Don't show as collapsible */
@media (min-width: 769px) {
    .advanced-options {
        border: none;
        background: transparent;
    }

    .advanced-toggle {
        display: none;
    }

    .advanced-content {
        padding: 0;
        border-top: none;
    }
}

/* =====================
   Mesh Status Display
   ===================== */
.mesh-status-card {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.mesh-status-card.mesh-ok {
    border-color: #22c55e;
    background-color: rgba(34, 197, 94, 0.08);
}

.mesh-status-card.mesh-issues {
    border-color: #f59e0b;
    background-color: rgba(245, 158, 11, 0.08);
}

.mesh-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.mesh-badge-ok {
    background-color: #22c55e;
    color: white;
}

.mesh-badge-warning {
    background-color: #f59e0b;
    color: white;
}

.mesh-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    flex: 1;
}

.mesh-status-card .btn {
    margin-left: auto;
}

/* =====================
   3D Model Annotations
   ===================== */
.annotation-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.annotation-label {
    position: absolute;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.5rem;
    max-width: 200px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    font-size: 0.875rem;
    z-index: 10;
}

.annotation-label-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.annotation-number {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
}

.annotation-author {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.annotation-content {
    color: var(--color-text);
    line-height: 1.4;
}

/* Annotation Controls Panel */
.annotation-panel {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.annotation-panel h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.875rem;
    font-weight: 600;
}

.annotation-controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.annotation-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.annotation-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.15s;
}

.annotation-item:hover {
    background-color: var(--color-surface-hover);
}

.annotation-item-number {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.annotation-item-content {
    flex: 1;
    min-width: 0;
}

.annotation-item-text {
    font-size: 0.875rem;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.annotation-item-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.annotation-item-actions {
    display: flex;
    gap: 0.25rem;
}

/* Add Annotation Form */
.annotation-form {
    display: none;
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--color-bg);
    border-radius: var(--radius);
}

.annotation-form.active {
    display: block;
}

.annotation-form .form-group {
    margin-bottom: 0.75rem;
}

.annotation-form textarea {
    min-height: 60px;
    resize: vertical;
}

.color-picker-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.color-picker-row input[type="color"] {
    width: 40px;
    height: 32px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

/* Update Checker Styles */
.update-checker {
    margin-bottom: 2rem;
}

.version-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.version-current {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.version-current .label {
    color: var(--color-text-muted);
}

.version-current .version {
    font-weight: 600;
    font-family: var(--font-mono);
    background-color: var(--color-bg);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
}

.update-available {
    background: linear-gradient(135deg, var(--color-primary-bg) 0%, var(--color-bg) 100%);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
    padding: 1rem;
}

.update-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.update-details p {
    margin: 0 0 0.5rem 0;
}

.update-details .update-date {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.update-details .btn {
    margin-top: 0.5rem;
}

.version-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
}

.version-status.up-to-date .status-icon {
    color: var(--color-success);
    font-weight: bold;
}

.update-error {
    color: var(--color-warning);
    font-size: 0.875rem;
}

.version-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
}

.version-meta .check-now {
    color: var(--color-primary);
    text-decoration: none;
}

.version-meta .check-now:hover {
    text-decoration: underline;
}

/* =====================================================
   Model Parts List Styling (scoped to model page only)
   ===================================================== */
.model-parts .part-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.model-parts .drag-handle {
    flex-shrink: 0;
}

.model-parts .part-checkbox {
    flex-shrink: 0;
}

.model-parts .part-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.model-parts .part-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.model-parts .part-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    flex-shrink: 0;
    flex-wrap: nowrap;
}

/* =====================================================
   Model Attachments Section
   ===================================================== */
.model-attachments {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.model-attachments .attachments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.model-attachments .attachments-header h2 {
    font-size: 1.125rem;
    margin: 0;
}

.attachment-section {
    margin-bottom: 1.5rem;
}

.attachment-section:last-child {
    margin-bottom: 0;
}

.attachment-section h3 {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Image Grid */
.attachment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.attachment-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
}

.attachment-image img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.2s;
    display: block;
}

.attachment-image:hover img {
    transform: scale(1.05);
}

.attachment-image .attachment-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    font-size: 0.75rem;
}

.attachment-image .attachment-info .attachment-name {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.attachment-image .attachment-info .attachment-size {
    color: rgba(255,255,255,0.7);
    font-size: 0.7rem;
}

.attachment-image .attachment-delete {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    font-size: 1rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.attachment-image:hover .attachment-delete {
    opacity: 1;
}

.attachment-image .attachment-delete:hover {
    background: #dc2626;
}

/* Document List */
.attachment-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.attachment-document {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.attachment-document .file-type-badge {
    position: static;
    flex-shrink: 0;
}

.attachment-document .attachment-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.attachment-document .attachment-size {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.attachment-document .attachment-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Image Lightbox */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 2rem;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
}

.lightbox-close:hover {
    color: var(--color-primary);
}

.lightbox-caption {
    color: white;
    padding: 1rem;
    text-align: center;
    font-size: 0.875rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .attachment-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 0.75rem;
    }

    .attachment-document {
        flex-wrap: wrap;
    }

    .attachment-document .attachment-actions {
        width: 100%;
        margin-top: 0.5rem;
    }
}